The manager told her _____ to post the letters by 3:00 in the afternoon.
| A．do remember |
| B．be sure to remember |
| C．to remember |
| D．remembering |
51. After everyone took_______ place, the meeting began.
| A．his | B．their | C．there | D．the |
52. －Why don’t we take a little break?
－Didn’t we just have _______?
| A．it | B．that | C．one | D．this |
53. If you want to change for a double room you’ll have to pay ___$15.
| A．another | B．other | C．more | D．each |
54. We should always keep ______ well-informed of the changing information.
| A．us | B．ours | C．ourselves | D．we |
55. Give the message to ______ is at the table.
| A．whomever | B．whosever | C．whatever | D．whoever |